<template>
  <div class="search">
		<!-- 搜索框通用组件 -->
    <div class="search-box-wrapper">
      <search-box ref="searchBox" @query="onQueryChange" ></search-box>
    </div>
		<!-- 热门搜索 -->
    <div ref="shortcutWrapper" class="shortcut-wrapper"   v-show="!query">
      <scroll :refreshDelay="refreshDelay" ref="shortcut" class="shortcut" :dataA="shortcut">
        <div>
          <div class="hot-key" >
						<div style="clear:both;height:20px;line-height: 20px;">
              <h1 class="title" style="float: left;">热门搜索</h1>
							<div class="title  title-ran " v-if="sosleng"  style="float: right;" @click="sosTab">换一批 {{sosindex}}/{{sosleng}}</div>
						</div>
            <ul style="height:0;overflow:hidden;padding-bottom:45%; width: 100%;">
              <li @click="addQuery(item.name)" class="item" v-for="(item,index) in sosdata" :key="index" >
                <span>{{item.name}}</span>
              </li>
            </ul>
          </div>
          <div class="search-history"  v-show="searchHistory.length" >
            <h1 class="title">
              <span class="text">搜索历史</span>
              <span @click="showConfirm" class="clear">
                <i class="icon-clear"></i>
              </span>
            </h1>
            <search-list @delete="deleteSearchHistory" @select="addQuery" 
						:searches="searchHistory"></search-list>
          </div>
        </div>
      </scroll>
    </div>
		<!-- 搜索列表 -->
    <div class="search-result"  v-show="query" ref="searchResult">
      <suggest @listScroll="blurInput" @select="saveSearch" ref="suggest" :query="query"></suggest>
    </div>
		<!-- 弹窗组件 -->
    <confirm ref="confirm" @confirm="clearSearchHistory" 
		 text="是否清空所有搜索历史" confirmBtnText="清空"></confirm>
    <router-view></router-view>
  </div>
</template>

<script >
  import SearchBox from 'base/search-box/search-box'
  import SearchList from 'base/search-list/search-list'
  import Scroll from 'base/scroll/scroll'
  import Confirm from 'base/confirm/confirm'
  import Suggest from 'components/suggest/suggest'
  import {ERR_OK} from 'api/config'
  import {playlistMixin,searchMixin,RenTop} from 'common/js/mixin'
  import {mapActions,mapMutations,mapGetters,} from 'vuex'
	import axios from 'axios'
  export default {
    mixins: [playlistMixin, searchMixin,RenTop],
    data() {
      return {
        hotKey: [],
				songs: [],
				sosindex:1, //热门搜索 index
				disok:16 //热门搜索 index=16
      }
    },
    computed: {
      shortcut() {//下拉框
        return this.hotKey.concat(this.searchHistory)
      },
			sosdata(){//热门搜索的数据
				return this.songs.slice((this.sosindex-1)*this.disok,this.sosindex*this.disok)
			},
			sosleng(){ //一次显示多少数据
		  	return this.songs.length>0?Math.ceil(this.songs.length/this.disok):0
			}
    },
    methods: {
      handlePlaylist(playlist) {
        const bottom = playlist.length > 0 ? '60px' : ''
				// 热门搜索 
        this.$refs.searchResult.style.bottom = bottom
        this.$refs.suggest.refresh()
				// 搜索列表
        this.$refs.shortcutWrapper.style.bottom = bottom
        this.$refs.shortcut.refresh()
      },
      showConfirm() {
        this.$refs.confirm.show()
      },
			sosTab(){//切换推荐数据
				return (this.sosleng>this.sosindex&&this.sosleng>0)?this.sosindex++:this.sosindex=1
			},
      ...mapActions([
        'clearSearchHistory'
      ])
    },
    watch: {
      query(newQuery) {
        if (!newQuery) {
          setTimeout(() => {
            this.$refs.shortcut.refresh()
          }, 20)
        }
      },
			sosleng(newQuery){
				
			}
    },
    components: {
      SearchBox,
      SearchList,
      Scroll,
      Confirm,
      Suggest
    },
		beforeRouteLeave:function (to, from, next) {//改变状态
		  this.query=""
		  this.$refs.searchBox.clear()
			next()
    },
  }
</script>

<style>
	.hot-key .title-ran{
		border-radius:6px;
		border: 1px solid rgba(255,255,255,0.5);
		padding: 0 6px;
		font-size: 12px !important;
	}
</style>

<style lang="stylus" rel="stylesheet/stylus">
  @import "~common/stylus/variable"
  @import "~common/stylus/mixin"

  .search
    .search-box-wrapper
      margin: 20px
    .shortcut-wrapper
      position: fixed
      top: 178px
      bottom: 0
      width: 100%
      .shortcut
        height: 100%
        overflow: hidden
        .hot-key
          margin: 0 20px 20px 20px
          .title
            margin-bottom: 15px
            font-size: $font-size-medium
            color: $color-text-l
			
          .item
            display: inline-block
            padding: 5px 10px
            margin: 0 20px 10px 0
            border-radius: 6px
            background: $color-highlight-background
            font-size: $font-size-medium
            color: $color-text-d
        .search-history
          position: relative
          margin: 0 20px
          .title
            display: flex
            align-items: center
            height: 40px
            font-size: $font-size-medium
            color: $color-text-l
            .text
              flex: 1
            .clear
              extend-click()
              .icon-clear
                font-size: $font-size-medium
                color: $color-text-d
    .search-result
      position: fixed
      width: 100%
      top: 178px
      bottom: 0
</style>
